Luo Jianjun (played by Zhang Guoli), who is middle-aged, is idle and has no proper job. He was in prison in his early years. After he was released from prison, his wife naturally ran away. His old mother has worked hard for many years to raise her grandson Luo Xiaolie (played by Niu Junfeng). Father and son are unfamiliar, and due to his nature, Luo Jianjun still lives a life of eating and waiting for death. By chance, Jianjun reunited with his old classmate Jiang Xin (played by Liu Ruoying) many years ago. After Jiang Xin divorced, she lived with her son Gao Mai (played by Zheng Yecheng). This strong woman also worked hard to make a career. Although they are different, they are the same. The two people who have experienced life and emotional ups and downs came together. Who knows that the suffering has not gone away. Gao Mai is extremely resistant to this father who came out halfway, and tries every means to break up Jianjun and his mother's marriage; Jiang Xin's ex-husband is also cunning and frequently makes trouble. To make matters worse, the greatest suffering finally fell on Jiang Xin...